Add 25/12 and 1/45
1st number: 2 1/12, 2nd number: 1/45
25/12 + 1/45 is 379/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
25/12 = 25 × 15/12 × 15 = 375/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Add the two like fractions:
375/180 + 4/180 = 375 + 4/180 = 379/180 - So, 25/12 + 1/45 = 379/180
In mixed form: 219/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+1/45 25/12+2/45 25/24+1/45 25/12+1/90 75/12+1/45 25/12+3/45 25/36+1/45 25/12+5/45 25/60+1/45 25/12+7/45 25/84+1/45